On March 18, 2026, NCT's Mark set Instagram abuzz with a fresh post featuring Seoul's picturesque streets and a sneak peek at the new 'Spider-Man: Brand New Day' trailer, even teasing a handoff to Singapore creator @leanmeanspideymachine.
He opened the post with the line "It's a BrandNewDay in Seoul, Korea!" and then shared a frame from the latest 'Spider-Man: Brand New Day' trailer, signaling who gets the next baton.
Fans erupted in the comments with reactions like "WHATTTTTTTTT" and "SPIDER-MARK."